Home / 10,561,176,128.80-15,841,764,193.20-8,856,525,977.20

Finding the Fourth Proportional to 10,561,176,128.80, 15,841,764,193.20 and 8,856,525,977.20

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Solution

The fourth proportional to 10,561,176,128.80, 15,841,764,193.20 and 8,856,525,977.20 is: 13,284,788,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,176,128.80 : 15,841,764,193.20 = 8,856,525,977.20 : x
  2. Step 2: Convert to fraction form
    10,561,176,128.80/15,841,764,193.20 = 8,856,525,977.20/x
  3. Step 3: Cross multiply
    10,561,176,128.80x = 15,841,764,193.20 × 8,856,525,977.20
  4. Step 4: Simplify right side
    10,561,176,128.80x = 140,302,996,101,752,619,008
  5. Step 5: Solve for x
    x = 140,302,996,101,752,619,008/10,561,176,128.80
  6. Step 6: Final answer
    x = 13,284,788,965.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.